The first-ever photos of water ice near Mercury's north pole have come down to Earth, and they have quite a story to tell.The images, taken by NASA's MESSENGER spacecraft (short for MErcury Surface, Space ENvironment, GEochemistry, and Ranging), suggest that the ice lurking within Mercury's polar craters was delivered recently, and may even be topped up by processes that continue today, researchers said.Click on this link to read more http://www.space.com/27450-messenger-mercury-water-ice-photos.html.